>>> governor jerry brown is talking about immigration, trade and the environment during a visit in mexico. he signed an agreement with mexican officials to work on ways to reduce air pollution and greenhouse gases. he took a dig at the decision by texas to send national guard troops to the border to deal with the central american illegal immigration problem. brown thinks immigration is a humanitarian issue. >>> millions of illegal immigrants could get work permits under plans worked out at the white house now. the obama administration is considering various ideas. parents of children who are u.s. citizens might be included, too. changes are expected before the november election. the white house move could lead some lawmakers to try to impeach president obama. >>> linda ronstadt was among a dozen recipients of the national medal of art. she has parkinson's disease and says she can no longer sing. but yesterday, she walked to the stage to receive her award from president obama. he later confessed years ago, he had a little crush on her. the national medal of arts is the nation's highest awa